#!/bin/bash
# sethmux cheat sheet — runs in the persistent help tab
# Read-only: all keyboard input is silently consumed
# Redraws on terminal resize via trap

stty -echo -icanon 2>/dev/null

draw() {
  clear
  COLS=$(tput cols)
  W=$((COLS > 80 ? 80 : COLS))

  ORANGE=$'\033[38;2;211;84;0m'
  DIM=$'\033[2m'
  BOLD=$'\033[1m'
  WHITE=$'\033[97m'
  GRAY=$'\033[90m'
  RST=$'\033[0m'
  UL=$'\033[4m'

  echo ""
  echo "${ORANGE}${BOLD}  sethmux cheat sheet${RST}"
  echo "${GRAY}  ─────────────────────────────────────────────${RST}"
  echo ""
  echo "${ORANGE}${UL}Tabs${RST}${GRAY} (kitty-style)${RST}"
  echo "  ${WHITE}Ctrl+Shift+T${RST}         New tab"
  echo "  ${WHITE}Ctrl+Shift+W${RST}         Close tab"
  echo "  ${WHITE}Ctrl+Shift+Right${RST}     Next tab"
  echo "  ${WHITE}Ctrl+Shift+Left${RST}      Previous tab"
  echo "  ${WHITE}Ctrl+Shift+1-9${RST}       Go to tab N"
  echo "  ${WHITE}Ctrl+Shift+. / ,${RST}     Move tab fwd / back"
  echo ""
  echo "${ORANGE}${UL}Splits & Panes${RST}"
  echo "  ${WHITE}Ctrl+Shift+Enter${RST}     New split"
  echo "  ${WHITE}Ctrl+Shift+] / [${RST}     Next / prev pane"
  echo "  ${WHITE}Ctrl+Shift+L${RST}         Cycle layouts"
  echo "  ${WHITE}F11${RST}                  Zoom pane (fullscreen)"
  echo "  ${WHITE}Ctrl-A v${RST}             Split vertical  ${DIM}(dvorak)${RST}"
  echo "  ${WHITE}Ctrl-A s${RST}             Split horizontal ${DIM}(dvorak)${RST}"
  echo ""
  echo "${ORANGE}${UL}Scrollback & Copy${RST}"
  echo "  ${WHITE}Ctrl+Shift+Up/Down${RST}   Scroll line"
  echo "  ${WHITE}Ctrl+Shift+PgUp/Dn${RST}   Scroll page"
  echo "  ${WHITE}Ctrl+Shift+Home/End${RST}  Top / bottom"
  echo "  ${WHITE}Ctrl+Shift+H${RST}         Scrollback in pager"
  echo "  ${WHITE}Ctrl+Shift+C${RST}         Enter copy mode (vi)"
  echo "  ${WHITE}Ctrl+Shift+V${RST}         Paste"
  echo "  ${DIM}  In copy mode: v=select  y=yank  q=quit${RST}"
  echo ""
  echo "${ORANGE}${UL}AI Workflow${RST}"
  echo "  ${WHITE}Ctrl-A S${RST}             Save pane → ~/logs/"
  echo "  ${WHITE}Ctrl-A L${RST}             Toggle live logging"
  echo "  ${WHITE}Ctrl+Shift+Delete${RST}    Clear terminal+history"
  echo ""
  echo "${ORANGE}${UL}Quick Access${RST}${GRAY} (no prefix)${RST}"
  echo "  ${WHITE}Alt-T${RST}                New tab"
  echo "  ${WHITE}Alt-W${RST}                Close tab"
  echo "  ${WHITE}Alt-1..5${RST}             Go to tab 1-5"
  echo "  ${WHITE}Alt-Left/Right${RST}       Prev / next tab"
  echo ""
  echo "${ORANGE}${UL}Session Windows${RST}"
  echo "  ${WHITE}1:code${RST}  ${WHITE}2:git${RST}  ${WHITE}3:run${RST}  ${WHITE}4:logs${RST}  ${WHITE}5:help${RST} ${DIM}(this)${RST}"
  echo ""
  echo "${ORANGE}${UL}Mobile Toolbar${RST}"
  echo "  ${DIM}Row 1:${RST} +Tab Next Prev │ ^C ^D Clr │ Esc Tab ▲ ▼"
  echo "  ${DIM}Row 2:${RST} Sel Paste Zoom Save │ V.Spl H.Spl Pane Kill"
  echo ""
  echo "${ORANGE}${UL}Notifications${RST}"
  echo "  ${WHITE}sethmux-notify \"msg\"${RST}  Push to browser"
  echo "  ${WHITE}cmd | sethmux-notify${RST}  Pipe output"
  echo ""
  echo "${GRAY}  ─────────────────────────────────────────────${RST}"
  echo "${GRAY}  Status bar shows: cwd + git branch + time${RST}"
  echo "${GRAY}  Scrollback: 200K lines  │  Prefix: Ctrl-A${RST}"
  echo ""
}

trap draw WINCH
draw

# Read-only: consume all stdin silently, redraw on resize
while IFS= read -r -s -n 1 -t 86400 _ 2>/dev/null; do :; done